Role Description Rackner is seeking a DevSecOps (Kubernetes) Engineer SME to support a US Air Force program called Platform One, to work on a product called Big Bang. Big Bang provides the tooling for mission application owners to create a Platform as a Service in their own Kubernetes cluster running in a cloud or datacenter. This PaaS environment is built with Terraform and Helm charts, and comes with cybersecurity and other governance policies out of the box, as well as collaboration tools and plugins. We're looking for a DevSecOps Engineer who has deep experience in Kubernetes, Terraform and CI/CD Pipelines to join our team. This role is remote. Qualifications - 3+ years of Kubernetes experience in production environments - Experience with Kubernetes distributions (RKE2, EKS, OpenShift, VMWare Tanzu, etc.) - 3+ years of Terraform experience - Experience with Docker or other container technologies - Experience with Helm - Background with defense customers (highly preferable) Requirements - Build DevSecOps platforms which are used by a variety of mission application owners - Create and update Kubernetes clusters using Terraform - Deploy applications to Kubernetes clusters by writing and modifying Helm charts - Become comfortable getting exposed to and learning different Kubernetes distributions (RKE2, OpenShift, Tanzu, etc.) - Self-teach and work with custom operators and CRDs in Kubernetes as needed - Use automation best practices, such as IaC and GitOps, for repeatability and fast provisioning of environments - Ensure platform and pipelines are compliant with DoD cybersecurity policies (NIST 800-53/RMF, STIGs) - Work with the Cybersecurity team by implementing industry best practices for system hardening and configuration management Benefits - Employee development and training with coverage for certifications relevant to the position and technologies/services provided - Fitness/Gym membership eligibility - Weekly pay schedule - Employee swag, snacks & events - 401K with 100% matching up to 6% - Highly competitive PTO - Great health insurance with a large network of providers - Medical/Dental/Vision coverage - Life Insurance, and short & long term disability - Industry-Leading Weekly Pay Schedule - Home office & equipment plan

Role Description The team is looking for an experienced DevOps Engineer to support and automate hosted-agent environments within a large-scale CI/CD infrastructure. The engineer will improve reliability, performance, and automation for build and deployment systems, working closely with engineering and DevOps teams to maintain infrastructure for continuous delivery pipelines and virtualized environments across multiple operating systems. - Support and automate CI/CD infrastructure for hosted agents across Linux, Windows, and macOS; - Help maintain and improve pipeline and workflow automation; - Troubleshoot build, deployment, and infrastructure issues and drive long-term fixes; - Collaborate with cross-functional teams to improve reliability, scalability, and operational quality; - Maintain automation scripts and operational documentation for the environment. Qualifications - Intermediate English and good communication skills; - Linux administration and troubleshooting experience; - Strong debugging and problem-solving skills; - CI/CD familiarity, preferably with GitHub Actions or Azure Pipelines; - Knowledge of Bash. Requirements - Windows or macOS administration experience; - Knowledge of PowerShell; - Experience with Azure services such as Scale Sets, Key Vault, Service Principals, and Storage; - Familiarity with Git workflows including branches, forks, and pull requests. Working Conditions - Overlap: CET Business Hours; - Locations: Serbia, Poland, Croatia, Portugal.

Role Description The team is looking for an experienced DevOps Engineer to support and automate hosted-agent environments within a large-scale CI/CD infrastructure. The engineer will improve reliability, performance, and automation for build and deployment systems, working closely with engineering and DevOps teams to maintain infrastructure for continuous delivery pipelines and virtualized environments across multiple operating systems. - Support and automate CI/CD infrastructure for hosted agents across Linux, Windows, and macOS; - Help maintain and improve pipeline and workflow automation; - Troubleshoot build, deployment, and infrastructure issues and drive long-term fixes; - Collaborate with cross-functional teams to improve reliability, scalability, and operational quality; - Maintain automation scripts and operational documentation for the environment. Qualifications - Intermediate English and good communication skills; - Linux administration and troubleshooting experience; - Strong debugging and problem-solving skills; - CI/CD familiarity, preferably with GitHub Actions or Azure Pipelines; - Knowledge of Bash. Requirements - Windows or macOS administration experience; - Knowledge of PowerShell; - Experience with Azure services such as Scale Sets, Key Vault, Service Principals, and Storage; - Familiarity with Git workflows including branches, forks, and pull requests. Working Conditions - Overlap: CET Business Hours; - Locations: Serbia, Poland, Croatia, Portugal.

• Aufbau einer Azure Cloud Container Umgebung für unsere selbst entwickelten C#/React/VueJS Anwendungen • Überführen der bestehenden On-Premise-Docker-Umgebung in eine moderne Azure-Cloud-Infrastruktur • Verantworten des stabilen Betriebs und der kontinuierlichen Überwachung der Anwendungen • Umsetzen von Monitoring Checks zur Überwachung der Systemperformance und Stabilität sowie inhaltliche Checks auf Prozessebene • Verantworten der Automatisierung von Deployments und Infrastruktur